Should you change your email address you do not need a new weatherzone account.
It's easy to change your weatherzone email address login. You can do this by clicking the profile icon in the top right corner next to the settings icons. From the menu click on the the 'Account Settings' button. You will be taken to your accounts page. In 'Accounts Tier' change your email and save the changes. Please take the time to check that your new email address is correct.
After saving the changes you will be sent an email to the new address asking to you to click a link for verification.
You would get logged out and will need to re-verify your your new email address before you login.